Home / 134,781.30-202,338.35-84,861.30

Finding the Fourth Proportional to 134,781.30, 202,338.35 and 84,861.30

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Solution

The fourth proportional to 134,781.30, 202,338.35 and 84,861.30 is: 127,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,781.30 : 202,338.35 = 84,861.30 : x
  2. Step 2: Convert to fraction form
    134,781.30/202,338.35 = 84,861.30/x
  3. Step 3: Cross multiply
    134,781.30x = 202,338.35 × 84,861.30
  4. Step 4: Simplify right side
    134,781.30x = 17,170,695,420.86
  5. Step 5: Solve for x
    x = 17,170,695,420.86/134,781.30
  6. Step 6: Final answer
    x = 127,396.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.